| 摘要 |
<p>The assembly (1) has a cover (2) for covering a mattress (3) and comprising a front zone (4a) for passage of a user and a continuous flap (5) on both sides. The flap is folded on a lower surface (3b) of the mattress and surrounds a part of periphery of the mattress, except its front edge (3c) in correspondence with the zone. A sliding unit formed of continuous slide (6) and an elastic longilineal element (7) i.e. drawcord, slides the flap on the surface such that user slides the cover on the mattress from the zone towards a rear zone (4b) according to a determined distance.</p> |
